111231230323130 has 32 divisors (see below), whose sum is σ = 202248474023808. Its totient is φ = 44041096440000.

The previous prime is 111231230323091. The next prime is 111231230323133. The reversal of 111231230323130 is 31323032132111.

It is a self number, because there is not a number n which added to its sum of digits gives 111231230323130.

It is not an unprimeable number, because it can be changed into a prime (111231230323133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9501422 + ... + 17684441.

It is an arithmetic number, because the mean of its divisors is an integer number (6320264813244).

Almost surely, 2^{111231230323130} is an apocalyptic number.

111231230323130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111231230323130 is a deficient number, since it is larger than the sum of its proper divisors (91017243700678).

111231230323130 is a wasteful number, since it uses less digits than its factorization.

111231230323130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27190022.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 111231230323130 its reverse (31323032132111), we get a palindrome (142554262455241).

The spelling of 111231230323130 in words is "one hundred eleven trillion, two hundred thirty-one billion, two hundred thirty million, three hundred twenty-three thousand, one hundred thirty".